TCAL6408PWR

{
  "slug": "tcal6408pwr",
  "version": "0.1.0",
  "type": "component",
  "description": "Texas Instruments I/O Expanders, TSSOP-16. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "interface",
    "tcal6408pwr",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
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    "README.md",
    "tcal6408pwr.kicad_sym",
    "tcal6408pwr.kicad_mod",
    "tcal6408pwr.glb",
    "tcal6408pwr.step",
    "tcal6408pwr.lbr",
    "docs/hero.png",
    "docs/tcal6408pwr-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "tcal6408pwr-hero.glb",
    "tcal6408pwr-hero.overlay.json",
    "tcal6408pwr-etched.glb"
  ],
  "component": {
    "mpn": "TCAL6408PWR",
    "manufacturer": "Texas Instruments",
    "package": "TSSOP-16",
    "pin_count": 16,
    "category": "Interface",
    "subcategory": "I/O Expanders",
    "datasheet": "https://www.ti.com/lit/ds/symlink/tcal6408.pdf",
    "parts": {
      "symbol": "tcal6408pwr.kicad_sym",
      "footprint": "tcal6408pwr.kicad_mod",
      "model_3d": "tcal6408pwr-hero.glb",
      "model_3d_plain": "tcal6408pwr-etched.glb",
      "model_3d_step": "tcal6408pwr-etched.step",
      "model_3d_step_plain": "tcal6408pwr.step",
      "lbr": "tcal6408pwr.lbr"
    },
    "distributor_links": {
      "lcsc": "C35005483",
      "digikey": "296-TCAL6408PWRTR-ND",
      "mouser": "595-TCAL6408PWR"
    },
    "distributor_check": {
      "checked_at": "2026-10-20T17:25:20Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "296-TCAL6408PWRTR-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": "595-TCAL6408PWR",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "VCCI",
        "type": "power_in",
        "description": "Supply voltage of the I2C bus; connect directly to the supply voltage of the external I2C controller."
      },
      {
        "number": "2",
        "name": "ADDR",
        "type": "input",
        "description": "Address input; connect directly to VCCP or ground."
      },
      {
        "number": "3",
        "name": "RESET",
        "type": "input",
        "description": "Active-low reset input; connect to VCCI through a pull-up resistor if no active connection is used."
      },
      {
        "number": "4",
        "name": "P0",
        "type": "bidirectional",
        "description": "P-port input/output (push-pull design structure); at power on, P0 is configured as an input."
      },
      {
        "number": "5",
        "name": "P1",
        "type": "bidirectional",
        "description": "P-port input/output (push-pull design structure); at power on, P1 is configured as an input."
      },
      {
        "number": "6",
        "name": "P2",
        "type": "bidirectional",
        "description": "P-port input/output (push-pull design structure); at power on, P2 is configured as an input."
      },
      {
        "number": "7",
        "name": "P3",
        "type": "bidirectional",
        "description": "P-port input/output (push-pull design structure); at power on, P3 is configured as an input."
      },
      {
        "number": "8",
        "name": "GND",
        "type": "power_in",
        "description": "Ground."
      },
      {
        "number": "9",
        "name": "P4",
        "type": "bidirectional",
        "description": "P-port input/output (push-pull design structure); at power on, P4 is configured as an input."
      },
      {
        "number": "10",
        "name": "P5",
        "type": "bidirectional",
        "description": "P-port input/output (push-pull design structure); at power on, P5 is configured as an input."
      },
      {
        "number": "11",
        "name": "P6",
        "type": "bidirectional",
        "description": "P-port input/output (push-pull design structure); at power on, P6 is configured as an input."
      },
      {
        "number": "12",
        "name": "P7",
        "type": "bidirectional",
        "description": "P-port input/output (push-pull design structure); at power on, P7 is configured as an input."
      },
      {
        "number": "13",
        "name": "INT",
        "type": "output",
        "description": "Interrupt output; connect to VCCI or VCCP through a pull-up resistor."
      },
      {
        "number": "14",
        "name": "SCL",
        "type": "input",
        "description": "Serial clock bus; connect to VCCI through a pull-up resistor."
      },
      {
        "number": "15",
        "name": "SDA",
        "type": "bidirectional",
        "description": "Serial data bus; connect to VCCI through a pull-up resistor."
      },
      {
        "number": "16",
        "name": "VCCP",
        "type": "power_in",
        "description": "Supply voltage of the TCAL6408 for the P-ports."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.3",
      "factory_chain": {
        "factory": "2.0.0",
        "extractor": "extract_pins 0.3",
        "primary_model": "claude-haiku-5-5",
        "primary_mode": "text",
        "consensus_model": "claude-sonnet-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: Package mapping: the package addendum (page 39) lists TCAL6408PWR as TSSOP (PW), 16 pins, so the PW ; KiCad ERC types were assigned by me, not stated in the datasheet: the table gives I, O, I/O and P. V"
        ],
        "pages_sent": 7,
        "cost_usd": 0.0455,
        "at": "2026-10-20T17:23:22"
      },
      "datasheet": {
        "url": "https://www.ti.com/lit/ds/symlink/tcal6408.pdf",
        "pages": 53,
        "sha256": "44125e1eb0b8d950",
        "source_tier": "mfr"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 16,
        "described": 16,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
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        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.4,
          5.0,
          1.1
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "6ad5e98224d02a427d9a6b929a28dbc158b9925fba5adec12db05079f1016948",
        "checked": "2026-10-20",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "tcal6408pwr-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.4,
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        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "deb0d3c944c442e54620040256634b5ac185a5773289a8a044577a930ba5e837",
        "checked": "2026-10-20",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}